Update requested changes

Program name, try catch block updates

Signed-off-by: Oğuz Utku Yıldız <[email protected]>

Author: oguzutku1745

create-aleo-app/template-vanilla/worker.js

@@ -11,7 +11,7 @@ import {
   await initThreadPool();
 
   const hello_hello_program =
-      "program hello_hello_123.aleo;\n" +
+      "program hello_hello.aleo;\n" +
       "\n" +
       "function hello:\n" +
       "    input r0 as u32.public;\n" +
@@ -83,12 +83,13 @@ import {
           const result = getPrivateKey();
           postMessage(result);
       } else if (e.data === "deploy") {
-        deployProgram(hello_hello_program).then(result => {
+        try {
+            const result = await deployProgram(hello_hello_program);
             postMessage(result);
-        }).catch(error => {
+          } catch (error) {
             postMessage({ error: error.message });
-        });
+        }
     }
 
   };
-  
+